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by error503 891 days ago
It shouldn't be that bad, CloudFlare's anycast should direct you to a nearby resolver, and doing your GeoDNS on that resolver IP instead of ECS is probably not that much worse than doing it on the actual client IP. Both approaches aren't great at picking an ideal CDN node, GeoIP is notoriously unreliable, and it tells you nothing about network topology.

Breaking DNS entirely is much worse behaviour, especially because GeoDNS itself is arguably not in the spirit of DNS which is distributing a consistent database, not making it up on the fly based on the client's info. The archive.is admin is being ridiculous, the least they could do is block anyone not using a resolver supporting ECS to be consistent, but no they have something personal against Cloudflare.